Two nested all-reflective afocal telescopes providing four field

Details Two nested all-reflective afocal telescopes providing four field Two nested all-reflective afocal telescopes providing four field

1994-11-14

1995-12-19

Shafer, Ricky D.

Optical: systems and elements

Mirror

Plural mirrors or reflecting surfaces

359365, 359366, 359859, G02B 510, G02B 1706

Patent

active

054773954

ABSTRACT:
An all-reflective multiple field of view optical system has first (10) and a second (12) reflecting assemblies which share a common package volume in a single unit. The first (10) and second (12) reflecting assemblies rotate with respect to one another to provide multiple fields of view utilizing a common entrance pupil region (14) and a viewing plane (16). Likewise, each reflecting assembly provides a multiple field of view.

REFERENCES:
patent: 4205902 (1980-06-01), Shafer
patent: 4226501 (1980-10-01), Shafer
patent: 4804258 (1989-02-01), Kebo
patent: 4812030 (1989-03-01), Pinson
patent: 4964706 (1990-10-01), Cook
patent: 5009494 (1991-04-01), Iossi et al.
patent: 5078502 (1992-01-01), Cook
patent: 5144476 (1992-09-01), Kebo
patent: 5227923 (1993-07-01), Kebo

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